Update rake-compiler-dock & default OpenSSL version for Ruby 2.7

Author: aharpervc

ext/tiny_tds/extconsts.rb

@@ -2,7 +2,7 @@
 ICONV_VERSION = ENV['TINYTDS_ICONV_VERSION'] || "1.15"
 ICONV_SOURCE_URI = "http://ftp.gnu.org/pub/gnu/libiconv/libiconv-#{ICONV_VERSION}.tar.gz"
 
-OPENSSL_VERSION = ENV['TINYTDS_OPENSSL_VERSION'] || '1.1.0j'
+OPENSSL_VERSION = ENV['TINYTDS_OPENSSL_VERSION'] || '1.1.1d'
 OPENSSL_SOURCE_URI = "https://www.openssl.org/source/openssl-#{OPENSSL_VERSION}.tar.gz"
 
 FREETDS_VERSION = ENV['TINYTDS_FREETDS_VERSION'] || "1.00.27"

tiny_tds.gemspec

@@ -23,7 +23,7 @@ Gem::Specification.new do |s|
   s.add_development_dependency 'mini_portile2', '~> 2.0'
   s.add_development_dependency 'rake', '~> 10.4'
   s.add_development_dependency 'rake-compiler', '~> 1.0'
-  s.add_development_dependency 'rake-compiler-dock', '~> 0.6.3'
+  s.add_development_dependency 'rake-compiler-dock', '~> 1.0'
   s.add_development_dependency 'minitest', '~> 5.6'
   s.add_development_dependency 'connection_pool', '~> 2.2'
 end